/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License.  You may obtain a copy of the License at
*
*      http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

package org.apache.geode.modules.session.internal.filter;

import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;

/**
 */
public abstract class AbstractListener {

  protected final List<ListenerEventType> events =
      new ArrayList<ListenerEventType>();

  protected CountDownLatch latch;

  public AbstractListener() {
    this(1);
  }

  public AbstractListener(int numCalls) {
    latch = new CountDownLatch(numCalls);
    RendezvousManager.registerListener(this);
  }

  public synchronized void setLatch(int numCalls) {
    latch = new CountDownLatch(numCalls);
    events.clear();
  }

  public boolean await(long timeout,
      TimeUnit unit) throws InterruptedException {
    return latch.await(timeout, unit);
  }

  public List<ListenerEventType> getEvents() {
    return events;
  }
}
